Analysis Overview
Threat Level: Likely malicious
The file https://ulsan.lt.emlnk.com/Prod/link-tracker?notrack=1&redirectUrl=aHR0cHMlM0ElMkYlMkZnYXRld2F5LmxpZ2h0aG91c2Uuc3RvcmFnZSUyRmlwZnMlMkZRbWY1UXdRcGNoTEpwYlYzalBVUFVybjloYmtXUEJBSnFETldtNXdvQ1luM3JNJTJG&sig=FDyDQpV2zkwzTpc9gB6HbMb3pktZEbJpev5MJyWBnWqL&iat=1716802816&a=%7C%7C802090301%7C%7C&account=ulsan%2Eactivehosted%2Ecom&email=uR1ljqUGzWn%2F3rYB4t1bTZZr2SBaiR96NETMO%2F53K9Av7co%2ByA%3D%3D%3A0iktz%2F5e5TCScgjt9tDuNH0usKRySOeH&s=90d336c5c6ee30524ab085005369ba8d&i=6A8A0A13#[email protected] was found to be: Likely malicious.
Malicious Activity Summary
A potential corporate email address has been identified in the URL: [email protected]
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-29 09:46
Signatures
A potential corporate email address has been identified in the URL: [email protected]
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-29 09:46
Reported
2024-05-29 09:48
Platform
win10-20240404-en
Max time kernel
120s
Max time network
100s
Command Line
Signatures
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133614496063836548" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://ulsan.lt.emlnk.com/Prod/link-tracker?notrack=1&redirectUrl=aHR0cHMlM0ElMkYlMkZnYXRld2F5LmxpZ2h0aG91c2Uuc3RvcmFnZSUyRmlwZnMlMkZRbWY1UXdRcGNoTEpwYlYzalBVUFVybjloYmtXUEJBSnFETldtNXdvQ1luM3JNJTJG&sig=FDyDQpV2zkwzTpc9gB6HbMb3pktZEbJpev5MJyWBnWqL&iat=1716802816&a=%7C%7C802090301%7C%7C&account=ulsan%2Eactivehosted%2Ecom&email=uR1ljqUGzWn%2F3rYB4t1bTZZr2SBaiR96NETMO%2F53K9Av7co%2ByA%3D%3D%3A0iktz%2F5e5TCScgjt9tDuNH0usKRySOeH&s=90d336c5c6ee30524ab085005369ba8d&i=6A8A0A13#[email protected]
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0x88,0xd8,0x7ffc1cbe9758,0x7ffc1cbe9768,0x7ffc1cbe9778
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1632 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1792 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2064 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2864 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2896 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3736 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2952 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4948 --field-trial-handle=1868,i,3069181588414902048,1206806459789149314,131072 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ulsan.lt.emlnk.com | udp |
| US | 52.201.78.80:443 | ulsan.lt.emlnk.com | tcp |
| US | 8.8.8.8:53 | 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa | udp |
| US | 8.8.8.8:53 | 51.201.222.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.78.201.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gateway.lighthouse.storage | udp |
| FR | 13.32.145.36:443 | gateway.lighthouse.storage | tcp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.145.32.13.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
\??\pipe\crashpad_1428_UBIBHROBYLWZUSWZ
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
| MD5 | 99914b932bd37a50b983c5e7c90ae93b |
| SHA1 | bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f |
| SHA256 | 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a |
| SHA512 | 27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | df5eea1bfe2c8bd585a7026d26a492bb |
| SHA1 | 32bae53d02685126e88747ae0834f94a2c131a4c |
| SHA256 | 69a45ec6b2da5da3fe6efc6fc2851476cd410c3dd002c853dc691bca4b431ea1 |
| SHA512 | 5dffd3d728cc34e0e1dac92f27b3cc878d538c3b00f7c5d07d31fdf450f489b871f9522dcf3e58a57c6ccf794e35dd807e9ea8ec575cffdadab4f4852730ecf0 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 526e122bce237fef54c206cb7c7893e2 |
| SHA1 | 0453a8fe5e00b2c67506833fea531584a65a194e |
| SHA256 | 225f95509d0e4ea7961d5b51755a76c3340c37d0c58bd48951e75a7117c67769 |
| SHA512 | acdfe22c03a748f96c17cbe9c37130b0d09d6ba70f5fcb422cfdf5447c442dc29b2c9fc6abc36d0d8238ff3c241ba05e737111d333ae945b32a851882467e7c8 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 2c3c85e2de0252351f67b11c485371c9 |
| SHA1 | 219169a52956c222cedf838be8ae04f534c481cf |
| SHA256 | 4904ef509f03df04ed727e39f049d2d4094a9528296eaae8e23ffa98c06b4fcb |
| SHA512 | d6c5e202e1c2673fa648f5cbe43b6c1a46ab28a325acde379aac5f10f69de751d4c2d4a0ba0531f84b7f1f62f8e978ff1b213486e30ae91a0b81dbf6f1afd23a |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 037225b9994a032056c3d722d85dee63 |
| SHA1 | 5cc4eaa6612cfa773e3af3af79fa9b66d262595e |
| SHA256 | dab74bbca6576542b6e42d5a957ff1cd7f2ca58a46178d0be03810d98316b806 |
| SHA512 | dd34b4abc1e010beb35c3b5885106e8bb7b599266f83a1446cad64c4faa9a949b9bc05fbd2e4701917322a02c084950ae87810924b4e22e715c958a004cd2d1d |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
| MD5 | 7520d4796a01f1e6fdf403691494d2d3 |
| SHA1 | 5e06de918c5add609bff6aaed7d4861c7904e93f |
| SHA256 | 96ab7437da14d27f4a52e2d3d4e7f8b41db331583fc5a5e6f3cf23ce2a120766 |
| SHA512 | c85404ad4aa283683ff61cc5003c9464c2fd77dcfbb62828985afea5babc903f69f1a27ce8be36a6b738d0251142807cd73b8ad0b0f27625a5ac1f65256ac774 |